OpenTechnical

OT-2026-000029112

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000029112) never changes.

Identity and time

Publication numberOT-2026-000029112 · never reused
Internal UUID01a0ae73-2a9f-7798-8e1f-85a54276bc25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029112
StatusPUBLIC

Content hashes

Canonical textb914581ba26d65989fc344d0509a875574b4e38c6c29eb845764b5c1e91b5816
Markdown50572953dca7a05df35bec5b1350d4667b59caefdf3a0edb07d01c8d52d9922c
PDF
Publication pageb7138f3853104d83fed36beff1ead5e8f32367638a2999cb9a107b5828a83950
Manifest5584b910bc20ebc778c03d99150f5e9301a86af45d9465ca152e6a0048113b09

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturehoI6WbqleeDy5INSzpmAGCXQ/GbUD7CegWyRh3zR+g2ILqnyHSRs3XM0omlkcfiuNCPKcxBjdNvq802yMDPTDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:20:52.746095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029112
observed b7138f3853104d83fed36beff1ead5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:52.724550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029112/manifest.json
observed 5584b910bc20ebc778c03d99150f5e93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:52.707721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029112/publication.md
observed 50572953dca7a05df35bec5b1350d466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:52.690516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029112/publication.txt
observed b914581ba26d65989fc344d0509a8755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.